CN216791137U

CN216791137U - Full-automatic wheel hub bearing unit comprehensive detection machine

Info

Publication number: CN216791137U
Application number: CN202220317562.9U
Authority: CN
Inventors: 赵发动; 张丽
Original assignee: HAINING AUTOMANN PARTS CO Ltd
Current assignee: HAINING AUTOMANN PARTS CO Ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-21
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a full-automatic wheel hub bearing unit comprehensive detection machine, which comprises a closed type supporting cabinet, wherein a main workbench is arranged in the supporting cabinet, a wheel hub unit jumping comprehensive detection station and an NG product automatic storage bin station are arranged on the main workbench, a feeding station and a discharging station are respectively arranged on two sides of the supporting cabinet, and the stations are positioned on the same horizontal plane and are conveyed by a mechanical material conveying claw; the front panel of the supporting cabinet is a transparent panel, an industrial personal computer is arranged at the upper part of the transparent panel, a starting switch is arranged at the lower part of the transparent panel, and a touch screen is further arranged on one side of the supporting cabinet; and a hub unit rotating mechanism to be detected, an axial runout testing device and a radial runout testing device are arranged at the hub unit runout comprehensive detection station. The utility model effectively ensures the reliability of product quality; labor cost is reduced, productivity is improved, and production cost of the hub bearing unit is reduced; the comprehensive runout detection device can completely meet the technical requirements of automobile factories on the comprehensive runout detection of the hub bearing unit. The whole equipment tool is simple to manufacture and convenient to operate, and the process data can be stored for a long time and can be traced.

Description

Full-automatic wheel hub bearing unit comprehensive detection machine

Technical Field

The utility model relates to a hub bearing unit testing machine, in particular to a full-automatic hub bearing unit comprehensive testing machine.

Background

At present, a hub bearing unit is an important safety part on an automobile, the hub bearing technology is continuously developed and advanced, and the hub bearing unit is developed to a modern third-generation hub bearing unit from a first-generation double-row bearing; the third generation hub bearing is mounted on the automobile and is divided into a driving hub bearing unit with an inner flange provided with an internal spline and a driven hub bearing unit made of solid material in the middle of the inner flange. The hub bearing unit not only drives the tire to rotate and drives the automobile to run, but also is an important part for changing a running route and supporting the weight of the automobile when the automobile runs. In addition, in the driving process of the automobile, the automobile is required to be safely stopped, a brake system is required to clamp a brake disc, and the speed of the automobile is reduced by the friction between a brake shoe and the brake pad until the automobile is completely stopped; the brake disc is arranged on the upper side surface of the flange plate or the lower side surface of the flange plate in the hub bearing unit; the axial runout and radial runout of the upper side surface and the lower side surface of the hub bearing unit directly influence the braking performance of a brake disc.

In order to ensure the controllability of the hub bearing unit in the normal driving direction and effectively brake the automobile by the brake disc, the hub bearing unit ensures that the detection of the axial run-out and the radial run-out of the two sides of the inner flange is important in the assembly production process; the conventional method is that a worker holds the hub bearing unit by hand and places the hub bearing unit on the simple device, fixes an outer ring and manually rotates an inner flange; measuring axial runout and radial runout of the upper end surface of the flange plate by using a dial indicator head; when an operator manually rotates the inner flange, the rotating speed cannot rotate at a constant speed, and sometimes, the operator only rotates a certain angle instead of rotating more than 360 degrees; meanwhile, the detector can observe the two lever meters at the same time, and reading errors can not be avoided; moreover, the manual detection mode has extremely low working efficiency and high labor intensity of workers; moreover, by adopting the traditional manual detection mode, the product omission and material mixing cannot be avoided, and the risk that the defective products are continuously transferred to clients is avoided.

According to the assembly requirements of automobile models of different automobile manufacturers, some hub bearing units designed by hub bearing unit manufacturers are provided with brake discs arranged on the upper sides of the flange plates; sometimes, the brake pad is arranged on the lower side of the flange plate by the hub bearing unit; therefore, the axial runout of the upper side of the flange of the hub bearing unit is detected, and the axial runout of the lower side surface of the flange is also detected. The radial run-out of the hub bearing unit is also detected, and the hub bearing unit is provided with an internal flange internal spline driving type hub bearing unit and an internal flange solid driven wheel hub bearing unit; therefore, the requirement of the driving wheel hub bearing unit is met, the axial runout of the upper side face, the axial runout of the lower side face and the radial runout of the inner flange of the driving wheel hub bearing unit are required, and the runout of the three parts of the two types of the three parts of the runout parts of the two types of the three parts of the two types of the parts of the two types of the three parts of the two types of the parts of the two types of the three parts of the two types of the three parts of the two types of the parts of the two types of the three parts of the two types of the parts of the three parts of the two types of the three parts of the two types of the parts of the two types of the parts of.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a full-automatic hub bearing unit comprehensive detector, which ensures reliable detection quality of the runout and radial runout of two sides of a flange plate in the process of assembling the hub bearing unit, is controlled by a full-automatic numerical control system and has high measurement precision; the product quality reliability is effectively ensured; the labor cost is reduced, the productivity is improved, and the production cost of the hub bearing unit is reduced; the comprehensive runout detection device can completely meet the technical requirements of automobile factories on the comprehensive runout detection of the hub bearing unit. The whole equipment tool is simple to manufacture and convenient to operate, and process data can be stored for a long time and can be traced.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a full-automatic wheel hub bearing unit comprehensive detection machine comprises a closed type supporting cabinet, wherein a main workbench is arranged in the supporting cabinet, a wheel hub unit jumping comprehensive detection station and an NG product automatic storage bin station are arranged on the main workbench, a feeding station and a discharging station are respectively arranged on two sides of the supporting cabinet, and the stations are located on the same horizontal plane and are conveyed by a mechanical material conveying claw; the front panel of the supporting cabinet is a transparent panel, an industrial personal computer is arranged at the upper part of the transparent panel, a starting switch is arranged at the lower part of the transparent panel, and a touch screen is further arranged on one side of the supporting cabinet; a hub unit rotating mechanism to be detected, an axial runout testing device and a radial runout testing device are arranged at the comprehensive hub unit runout detection station;

the hub unit rotating mechanism to be detected comprises a support frame, the support frame is fastened with a main workbench, and an auxiliary workbench III is arranged at the upper part of the support frame; a stroke-adjustable air cylinder is arranged on the auxiliary workbench III, the lower end of a piston rod of the stroke-adjustable air cylinder is connected with a floating joint I, and the lower end of the floating joint I is connected with a lifting support; the lifting support is fixedly connected with the auxiliary workbench I through a fastening bolt; four smooth guide pillars I are symmetrically arranged on the left and right of the upper part of the auxiliary workbench I, and the lower ends of the smooth guide pillars I are fixedly connected with the auxiliary workbench I through locking nuts; the smooth guide pillar I is connected with four sets of linear bearings I arranged on an auxiliary workbench III; a rotary main shaft is arranged at the lower middle part of the auxiliary workbench I, and a core shaft of the rotary main shaft is fastened with the auxiliary workbench I through a nut; a core shaft of the rotating main shaft is combined with a main shaft outer sleeve into a rotatable main shaft through two groups of fine grinding bearings, a clamp spring and the main shaft outer sleeve; the outer part of the spindle outer sleeve is provided with a multi-wedge toothed groove; the lower end of the spindle outer sleeve is provided with a transition rotating shaft; the lower end of the transition rotating shaft is provided with a rotating head made of polyurethane material, the rotating head is closely attached to a flange in the hub unit to be detected, and a certain axial force is applied to the hub unit to be detected; a servo motor is arranged at the upper left part of the auxiliary workbench I; the output shaft end of the servo motor is provided with a driving multi-wedge belt wheel, and the driving multi-wedge belt wheel is connected with a driven multi-wedge belt wheel of the spindle outer sleeve through a multi-wedge belt; the middle lower part of the main workbench is provided with a bidirectional cylinder, and the lower end of a piston rod of the bidirectional cylinder is provided with a floating joint II; the lower end of the floating joint II is provided with a working frame through a bolt; two sides of the working frame are fixedly connected with four smooth guide pillars II, and the four smooth guide pillars II are connected with four sets of linear bearings II arranged on the main working table;

the axial runout testing device comprises a built-in cylinder type displacement sensor I which is arranged at the upper part right behind the central part of the main workbench and is used for measuring the axial runout of the lower end face of the flange in the hub unit to be tested; the built-in cylinder type displacement sensor II is arranged at the left rear lower part of the auxiliary workbench I and is used for measuring the axial runout of the upper end face of the flange in the hub unit to be detected; a photoelectric switch is arranged on the rear side of the built-in cylinder type displacement sensor I and used for detecting the error-proofing judgment after the inner flange rotates; the built-in cylinder type displacement sensor I and the built-in cylinder type displacement sensor II are both fixed with the corresponding workbench through displacement sensor supports;

the radial run-out testing device comprises a bearing L-shaped support and a high-precision test pen, wherein the bearing L-shaped support is arranged at the right lower part of the auxiliary workbench I; the auxiliary bearing L-shaped bracket is connected with and provided with a movable bracket through a guide rail; the movable support is connected with a measuring head special-shaped support through a high-toughness spring piece, one end of the measuring head special-shaped support is in close contact with the excircle of the hub bearing unit to be detected, and the other end of the measuring head special-shaped support is in close contact with a displacement sensor arranged on the movable support; the right side of the movable support provided with the high-precision measuring pen is used for measuring the radial runout of the outer circle of the hub bearing unit during loading; the lower part of the bearing L-shaped bracket is provided with a cylinder;

and the lower part of the supporting cabinet is also provided with a pneumatic electromagnetic valve group for each cylinder to work and an air pressure regulating valve for regulating the working pressure of the cylinder.

As a further improvement, a hub unit surface defect image detection station is further arranged on the main workbench, an industrial camera is arranged above the hub unit surface defect image detection station and fixed on the side wall of the supporting cabinet through a camera support.

As a further improvement, an auxiliary workbench II is arranged on the upper part of the smooth guide pillar II; the left side and the right side of the upper part of the auxiliary workbench II are respectively provided with a thin-wall cylinder, and the piston rod ends of the two thin-wall cylinders are connected with C-shaped clamp plates of the tool; guide rail guiding limit is arranged on two sides of the C-shaped clamp plate of the tool;

as a further improvement, an NG storage bin is arranged on the rear side of the working position of the NG product automatic storage bin, and NG products are conveyed through a motor and a conveying belt.

As a further improvement, the conveying belt is a chain plate type conveying belt, a transparent semi-closed protective cover is arranged above the conveying belt, and a cabin cover door is arranged at the tail of the protective cover.

As a further improvement, photoelectric counting switches are arranged on one sides of the feeding station, the NG product automatic storage bin station and the discharging station.

As a further improvement, the touch screen is a man-machine conversation touch screen, and a three-color indicator lamp is arranged above the touch screen.

As a further improvement, the inner wall of the top plate of the supporting cabinet is provided with an LED illuminating lamp.

As a further improvement, the front end and the rear end of the stroke-adjustable cylinder are provided with position-adjustable magnetic induction switches.

The utility model integrates industrial computer technology, numerical control system, servo system, air pressure system, AD conversion technology and on-line measurement technology. After the machine is normally started, a worker inputs an image photo of a product standard part, an axial runout parameter, a radial runout parameter, a numerical control servo parameter and a product rotation parameter on an operation panel of a touch screen, then a state switch is adjusted to an automatic state, and a starting switch is turned on; then, the hub bearing unit to be detected to comprehensively jump is placed on a feeding station on the left side of the machine tool, the photoelectric counting switch detects that a product is arranged on the station, the mechanical conveying claw clamps the product to be lifted to a certain position, and then the product is automatically conveyed to a hub unit surface defect image detection station; if the images detect the NG products, comprehensive jumping is not detected any more, the NG products are transferred to the right-side NG product automatic storage bin station through the mechanical material conveying claw, the chain plate conveying servo motor drives the conveying belt to rotate, the NG products are conveyed into the semi-closed storage bin, and after the photoelectric counting switch at the front end of the storage bin confirms that the NG products enter the NG bin, the NG counting value detected by the images of the industrial personal computer is added by 1; if the image detection OK product is moved to the jumping comprehensive detection station of the middle hub unit by the mechanical material conveying claw; thin-wall cylinders symmetrically arranged on two sides of the auxiliary workbench work, and the thin-wall cylinders on the two sides push the C-shaped clamping plates to move forward to the center of the product; the C-shaped clamping plate moves to the front position under the limitation of limiting guide rails on the front side and the rear side of the clamping plate and is right above the outer ring of the product; the front limit magnetic switches of the thin-wall cylinders on the two sides are all in a connected state; the bidirectional cylinder at the lower part of the main workbench works and rigidly extends downwards to drive the floating joint and the auxiliary workbench to move downwards; the smooth guide rods on the two sides of the auxiliary workbench move downwards under the close fit of a linear bearing arranged on the main workbench; the upper end of the smooth guide rod is driven to assist the workbench to move downwards. The thin-wall cylinders on two sides of the product, the C-shaped clamping plates on two sides and the clamping plate guide rails are all arranged on the auxiliary workbench, so that the C-shaped clamping plates on two sides move downwards to press the outer ring of the hub unit product and tightly press the outer ring on the lower product positioning tool; the bidirectional cylinder front limit magnetic limit switch is switched on; the stroke-adjustable cylinder at the upper part of the main workbench works to push the rotating main shaft to move downwards; the lower part of the rotating main shaft is connected with a transition rotating shaft to drive the polyformaldehyde rotating head to move downwards, and the polyformaldehyde rotating head is tightly attached to the inner hole taper angle of the flange in the hub bearing unit; a displacement sensor of a built-in cylinder on the upper side surface of the flange plate moves downwards along with the rotating main shaft and is close to the detection position of the upper side surface of the flange plate; the right radial runout detection auxiliary support and the detection displacement sensor system component also move downwards along with the rotating main shaft; a displacement sensor of a built-in cylinder at the lower side of the product is also close to the detection position at the lower side of the flange plate; the servo motor for product rotation drives the rotating main shaft sleeve to rotate at a constant speed, and the polyformaldehyde rotating head drives the product flange plate to rotate at a constant speed; a photoelectric counting switch at the rear end of the product detects whether the flange plate of the on-line rechecking hub bearing unit of the product bolt counting rotates or not; at the moment, a cylinder on a cylinder displacement sensor is arranged in the upper side of the flange plate, a cylinder of the cylinder displacement sensor and a cylinder for radial runout detection are arranged in the lower side of the flange plate, and the three cylinders work simultaneously to attach all measuring heads of the displacement sensor to the detection part of the product belt; after the product rotates for one circle, the computer starts to collect data uploaded by the three displacement sensor transmitters, and the measurement data is collected and received after the product flange plate rotates for 3 circles; the displacement sensor returns back by three cylinders; the rotary main shaft moves upwards under the driving of the stroke-adjustable cylinder, and the stroke-adjustable cylinder in-situ limiting magnetic switch is switched on and returns to the initial state; the lower bidirectional cylinder of the main workbench returns to drive the C-shaped clamping plate to move upwards; the bidirectional cylinder in-situ limiting magnetic switch is switched on; the thin-wall cylinders on the two sides of the product retreat to drive the C-shaped clamping plate to leave the product, and the in-situ limiting magnetic switches of the thin-wall cylinders on the two sides are switched on; the intermediate detection station returns to the initial state; and finishing the comprehensive jumping detection. The comprehensive jumping detection result of the NG products is transferred to the right-side NG product automatic storage bin station step by step through a mechanical material conveying claw right in front of the products, a chain plate transmission servo motor drives a transmission belt to rotate to convey the NG products into a semi-closed storage bin, and after a photoelectric counting switch at the front end of the storage bin confirms that the NG products enter the NG storage bin, a jumping counting NG counting value corresponding to the comprehensive jumping of the industrial personal computer is added with 1; the OK product with the comprehensive jumping detection result is gradually transferred to a right discharging station outside the equipment through a mechanical carrying claw right in front of the product; the touch screen displays the measured value of the axial runout and the measured value of the radial runout of the detected upper and lower sides; the material detection photoelectric switch of the discharging station is switched on to prompt personnel to take away the material; the product enters the next cycle.

According to the utility model, image detection data and three displacement sensor transmitters send data to a numerical control system in real time, the numerical control system carries out AD data conversion on received signals and sends the AD data to an industrial personal computer, and CPK sorting data are automatically generated and displayed on the industrial personal computer and stored; the indicator light is provided with three colors, each color represents three states, green represents a normal operation state, yellow represents a standby state, and red represents a fault alarm state. The lower corner is arranged right in front of the machine tool, the toggle switch is arranged, each step of the single-section operation equipment can be operated when the machine tool is debugged, and the circulating switch can also be started in an automatic state.

The utility model has the advantages that the equipment is controlled by a full-automatic numerical control system, the detection quality of the runout and radial runout of two sides of the flange plate in the process of assembling the hub bearing unit is ensured to be reliable, and the measurement precision is high; the equipment tool is simple to manufacture and convenient to operate, no special requirement is required for operators after the machine tool is debugged, two-machine operation by one person or multi-machine operation by one person can be achieved, the utility model can also be incorporated into the assembly line connection production, and the operators are cancelled; meanwhile, the instability of product quality caused by human factors is reduced, and the reliability of the product quality is effectively ensured; labor cost is reduced, capacity is provided, and production cost of the hub bearing unit is reduced; the industrial personal computer can be used for storing the measured data for a long time, analyzing the quality data and tracing the product quality; the comprehensive runout detection device can completely meet the technical requirements of automobile factories on the comprehensive runout detection of the hub bearing unit.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a hub unit runout comprehensive detection station in the embodiment of the utility model.

Wherein, 1, supporting the cabinet; 2. a main work table; 3. a feeding station; 4. a hub unit surface defect image detection station; 5. a hub unit jumping comprehensive detection station; 6. automatically storing a stock bin station for NG products; 7. a discharge station; 8. a mechanical material conveying claw; 9. an industrial personal computer; 10. starting a switch; 11. a touch screen; 12. a support frame; 13. a stroke-adjustable cylinder; 14. a floating joint I; 15. lifting the support; 16. an auxiliary workbench I; 17. a smooth guide pillar I; 18. a linear bearing I; 19. a spindle jacket; 20. a mandrel; 21. a transition rotating shaft; 22. a servo motor; 23. a drive multi-wedge pulley; 24. a V-ribbed belt; 25. a bidirectional cylinder; 26. a floating joint II; 27. a working frame; 28. a smooth guide pillar II; 29. a linear bearing II; 30. an auxiliary workbench II; 31. a thin-walled cylinder; 32. c-shaped clamp plates are assembled; 33. an industrial camera; 34. a cylinder type displacement sensor I is arranged in the cylinder type displacement sensor I; 35. a built-in cylinder type displacement sensor II; 36. carrying an L-shaped bracket; 37. a movable support; 38. a high-precision test pen; 39. a cylinder; 40. a special-shaped support for the measuring head; 41. a photoelectric switch; 42. an NG storage bin; 43. a conveyor belt; 44. a photoelectric counting switch; 45. a three-color indicator light; 46. an LED lighting lamp; 47. a camera mount; 48. a pneumatic solenoid valve set; 49. air pressure regulating valve, 50, auxiliary working table III.

The utility model is further described below with reference to the accompanying drawings.

Detailed Description

As shown in attached figures 1 and 2, the full-automatic hub bearing unit comprehensive detection machine is characterized in that: the device comprises a closed supporting cabinet 1, wherein a main workbench 2 is arranged in the supporting cabinet 1, a hub unit surface defect image detection station 4, a hub unit bounce comprehensive detection station 5 and an NG product automatic storage bin station 6 are arranged on the main workbench 2, a feeding station 3 and a discharging station 7 are respectively arranged on two sides of the supporting cabinet 1, and the stations are positioned on the same horizontal plane and are conveyed by a mechanical conveying claw 8; an industrial camera 33 is arranged above the hub unit surface defect image detection station 4 and fixed on the side wall of the supporting cabinet 1 through a camera support 47. NG product automatic storage feed bin station 6 rear side is equipped with NG storage silo 42, and the NG product passes through motor and chain slat type conveyer belt 43 and carries, conveyer belt 43 top is equipped with transparent semi-closed protection casing, and the protection casing afterbody is equipped with the cabin cover door. And photoelectric counting switches 44 are arranged on one sides of the feeding station 3, the automatic storage bin station 6 for NG products and the discharging station 7. And an LED illuminating lamp 46 is arranged on the inner wall of the top plate of the supporting cabinet 1. The front panel of the supporting cabinet 1 is a transparent panel, the upper part of the transparent panel is provided with an industrial personal computer 9, and the lower part of the transparent panel is provided with a starting switch 10. Supporting cabinet 1 one side still is equipped with touch-sensitive screen 11, touch-sensitive screen 11 is the man-machine conversation touch-sensitive screen, and the top is equipped with tristimulus designation lamp 45. And a hub unit rotating mechanism to be detected, an axial runout testing device and a radial runout testing device are arranged at the hub unit runout comprehensive detection station 5.

The hub unit rotating mechanism to be detected comprises a support frame 12, the support frame 12 is fastened with a main workbench 2, an auxiliary workbench III 50 is arranged on the upper portion of the support frame 12, a stroke-adjustable cylinder 13 is arranged on the auxiliary workbench III 50, and a position-adjustable magnetic induction switch is mounted at the front end and the rear end of the stroke-adjustable cylinder 13. The lower end of a piston rod of the stroke-adjustable air cylinder 13 is connected with a floating joint I14, and the lower end of the floating joint I14 is connected with a lifting support 15; the lifting support 15 is fixedly connected with the auxiliary workbench I16 through a fastening bolt; four smooth guide pillars I17 are symmetrically arranged on the left and right of the upper part of the auxiliary workbench I16, and the lower ends of the smooth guide pillars I17 are fixedly connected with the auxiliary workbench I16 through locking nuts; the smooth guide pillar I17 is connected with four sets of linear bearings I18 arranged on an auxiliary workbench III 50; a rotary main shaft is arranged at the lower middle part of the auxiliary workbench I16, and a core shaft 20 of the rotary main shaft is fastened with the auxiliary workbench I16 through a nut; the core shaft 20 of the rotating main shaft is combined with the main shaft outer sleeve 19 into a rotatable main shaft through two groups of fine grinding bearings and clamp springs; the outer part of the main shaft jacket 19 is provided with a poly-wedge belt tooth groove; the lower end of the main shaft outer sleeve 19 is provided with a transition rotating shaft 21; the rotating head of polyurethane material is installed to transition rotation axis 21 lower extreme, and the rotating head is laminated closely with waiting to detect the interior flange of wheel hub unit, and the wheel hub unit of giving waiting to detect exerts certain axial force. A servo motor 22 is arranged at the upper left part of the auxiliary workbench I16; a driving multi-wedge belt wheel 23 is mounted at the output shaft end of the servo motor 22, and the driving multi-wedge belt wheel 23 is connected with a driven multi-wedge belt wheel of the main shaft outer sleeve 19 through a multi-wedge belt 24; a bidirectional cylinder 25 is arranged at the middle lower part of the main workbench 2, and a floating joint II 26 is arranged at the lower end of a piston rod of the bidirectional cylinder 25; the lower end of the floating joint II 26 is provided with a working frame 27 through a bolt; two sides of the working frame 27 are fixedly connected with four smooth guide pillars II 28, and the four smooth guide pillars II 28 are connected with four sets of linear bearings II 29 arranged on the main working table 2; an auxiliary workbench II 30 is arranged at the upper part of the smooth guide pillar II 28; the left side and the right side of the upper part of the auxiliary workbench II 30 are respectively provided with a thin-wall cylinder 31, and the piston rod ends of the two thin-wall cylinders 31 are connected with a tooling C-shaped clamping plate 32; guide rails are arranged on two sides of the C-shaped clamp plate 32 of the tool for guiding and limiting.

The axial runout testing device comprises a built-in cylinder type displacement sensor I34 which is arranged at the upper part right behind the central part of the main workbench 2 and is used for measuring the axial runout of the lower end face of the flange in the hub unit to be tested; the built-in cylinder type displacement sensor II 35 is arranged at the left rear lower part of the auxiliary workbench I16 and is used for measuring the axial runout of the upper end face of the flange in the hub unit to be detected; a photoelectric switch 41 is arranged on the rear side of the built-in cylinder type displacement sensor I34 and used for detecting the error-proofing judgment after the inner flange rotates; the built-in cylinder type displacement sensor I34 and the built-in cylinder type displacement sensor II 35 are fixed with the corresponding workbench through displacement sensor supports;

the radial run-out testing device comprises a bearing L-shaped support 36 and a high-precision measuring pen 38, wherein the bearing L-shaped support 36 and the high-precision measuring pen are arranged at the right lower part of the auxiliary workbench I16; a movable bracket 37 is connected and mounted on the auxiliary bearing L-shaped bracket 36 through a guide rail; the movable support 37 is connected with a measuring head special-shaped support 40 through a high-toughness spring piece, one end of the measuring head special-shaped support 40 is in close contact with the excircle of the hub bearing unit to be detected, and the other end of the measuring head special-shaped support 40 is in close contact with a displacement sensor arranged on the movable support 37; the high-precision measuring pen 38 is arranged on the right side of the movable support 37, has the measuring precision of 0.1uM and is used for measuring the radial runout of the outer circle of the wheel hub bearing unit during loading; the lower part of the bearing L-shaped bracket 36 is provided with a cylinder 39;

the lower part of the supporting cabinet 1 is also provided with a pneumatic electromagnetic valve group 48 for each cylinder to work and an air pressure regulating valve 49 for regulating the working pressure of the cylinder.

Claims

1. The utility model provides a full-automatic wheel hub bearing unit integrated detection machine which characterized in that: the device comprises a closed supporting cabinet (1), wherein a main workbench (2) is arranged in the supporting cabinet (1), a wheel hub unit jumping comprehensive detection station (5) and an NG product automatic storage bin station (6) are arranged on the main workbench (2), a feeding station (3) and a discharging station (7) are respectively arranged on two sides of the supporting cabinet (1), and the stations are located on the same horizontal plane and are conveyed by a mechanical conveying claw (8); the front panel of the supporting cabinet (1) is a transparent panel, an industrial personal computer (9) is arranged at the upper part of the transparent panel, a starting switch (10) is arranged at the lower part of the transparent panel, and a touch screen (11) is further arranged on one side of the supporting cabinet (1); a hub unit rotating mechanism to be detected, an axial runout testing device and a radial runout testing device are arranged at the hub unit runout comprehensive detection station (5);

the hub unit rotating mechanism to be detected comprises a support frame (12), the support frame (12) is fastened with a main workbench (2), and the upper part of the support frame (12) is fastened with an auxiliary workbench III (50); the upper part of the auxiliary workbench III (50) is provided with a stroke-adjustable cylinder (13), the lower end of a piston rod of the stroke-adjustable cylinder (13) is connected with a floating joint I (14), and the lower end of the floating joint I (14) is connected with a lifting support (15); the lifting support (15) is fixedly connected with the auxiliary workbench I (16) through a fastening bolt; four smooth guide pillars I (17) are symmetrically arranged on the left and right of the upper portion of the auxiliary workbench I (16), and the lower ends of the smooth guide pillars I (17) are fixedly connected with the auxiliary workbench I (16) through locking nuts; the smooth guide pillar I (17) is connected with four sets of linear bearings I (18) arranged on an auxiliary workbench III (50); a rotary main shaft is arranged at the lower middle part of the auxiliary workbench I (16), and a core shaft (20) of the rotary main shaft is fastened with the auxiliary workbench I (16) through a nut; a core shaft (20) of the rotating main shaft is combined with a main shaft outer sleeve (19) into the rotating main shaft through two groups of fine grinding bearings and clamp springs; the outer part of the spindle jacket (19) is provided with a multi-wedge toothed groove; the lower end of the main shaft outer sleeve (19) is provided with a transition rotating shaft (21); the lower end of the transition rotating shaft (21) is provided with a rotating head made of polyurethane material, the rotating head is closely attached to a flange in the hub unit to be detected, and a certain axial force is applied to the hub unit to be detected; a servo motor (22) is arranged at the upper left part of the auxiliary workbench I (16); a driving multi-wedge belt wheel (23) is mounted at the output shaft end of the servo motor (22), and the driving multi-wedge belt wheel (23) is connected with a driven multi-wedge belt wheel of the spindle outer sleeve (19) through a multi-wedge belt (24); a bidirectional cylinder (25) is arranged at the middle lower part of the main workbench (2), and a floating joint II (26) is arranged at the lower end of a piston rod of the bidirectional cylinder (25); the lower end of the floating joint II (26) is provided with a working frame (27) through a bolt; two sides of the working frame (27) are fixedly connected with four smooth guide posts II (28), and the four smooth guide posts II (28) are connected with four sets of linear bearings II (29) arranged on the main working table (2);

the axial runout testing device comprises a built-in cylinder type displacement sensor I (34) which is arranged at the upper part right behind the central part of the main workbench (2) and is used for measuring the axial runout of the lower end face of the inner flange of the hub unit to be tested; the built-in cylinder type displacement sensor II (35) is arranged at the left rear lower part of the auxiliary workbench I (16) and is used for measuring the axial runout of the upper end face of the flange in the hub unit to be detected; a photoelectric switch (41) is arranged on the rear side of the built-in cylinder type displacement sensor I (34) and used for detecting the error-proofing judgment after the inner flange rotates; the built-in cylinder type displacement sensor I (34) and the built-in cylinder type displacement sensor II (35) are fixed with the corresponding workbench through displacement sensor supports;

the radial runout testing device comprises a bearing L-shaped support (36) and a high-precision test pen (38), wherein the bearing L-shaped support is arranged at the right lower part of the auxiliary workbench I (16); a movable bracket (37) is connected and installed on the auxiliary bearing L-shaped bracket (36) through a guide rail; the movable support (37) is connected with a measuring head special-shaped support (40) through a high-toughness spring piece, one end of the measuring head special-shaped support (40) is in close contact with the excircle of the hub bearing unit to be detected, and the other end of the measuring head special-shaped support is in close contact with a displacement sensor arranged on the movable support (37); the right side of a movable support (37) mounted on the high-precision measuring pen (38) is used for measuring the radial runout of the outer circle of the wheel hub bearing unit loading; the lower part of the bearing L-shaped bracket (36) is provided with a cylinder (39);

and the lower part of the supporting cabinet (1) is also provided with a pneumatic electromagnetic valve group (48) for operating each cylinder and an air pressure regulating valve (49) for regulating the working pressure of the cylinder.

2. The fully automatic wheel hub bearing unit comprehensive testing machine of claim 1, characterized in that: still be equipped with wheel hub unit surface defect image detection station (4) on main workstation (2), wheel hub unit surface defect image detection station (4) top is equipped with industrial camera (33), is fixed in supporting cabinet (1) lateral wall through camera mount (47).

3. The fully automatic wheel hub bearing unit integrated detector of claim 1, characterized in that: an auxiliary workbench II (30) is arranged at the upper part of the smooth guide post II (28); the left side and the right side of the upper part of the auxiliary workbench II (30) are respectively provided with a thin-wall cylinder (31), and piston rod ends of the two thin-wall cylinders (31) are both connected with a tooling C-shaped clamp plate (32); guide rails are arranged on two sides of the C-shaped clamp plate (32) of the tool for guiding and limiting.

4. The fully automatic wheel hub bearing unit comprehensive testing machine of claim 1, characterized in that: NG storage silo (42) are arranged on the rear side of the automatic storage silo station (6) for NG products, and the NG products are conveyed through a motor and a conveying belt (43).

5. The fully automatic wheel hub bearing unit integrated detector of claim 4, characterized in that: the conveying belt (43) is a chain plate type conveying belt, a transparent semi-closed protective cover is arranged above the conveying belt (43), and a cabin cover door is arranged at the tail of the protective cover.

6. The fully automatic wheel hub bearing unit comprehensive testing machine of claim 1, characterized in that: and photoelectric counting switches (44) are arranged on one sides of the feeding station (3), the NG product automatic storage bin station (6) and the discharging station (7).

7. The fully automatic wheel hub bearing unit comprehensive testing machine of claim 1, characterized in that: the touch screen (11) is a man-machine conversation touch screen, and a three-color indicator lamp (45) is arranged above the man-machine conversation touch screen.

8. The fully automatic wheel hub bearing unit comprehensive testing machine of claim 1, characterized in that: and an LED illuminating lamp (46) is arranged on the inner wall of the top plate of the supporting cabinet (1).

9. The fully automatic wheel hub bearing unit comprehensive testing machine of claim 1, characterized in that: and the front end and the rear end of the stroke-adjustable air cylinder (13) are provided with position-adjustable magnetic induction switches.